Design, Construction, and Operation of Mashhad Prison Wastewater Treatment Plant
Method: Activated Sludge with Extended Aeration
Capacity: 300 cubic meter per day (Population= 1500 people)
Table 1 Raw Wastewater Characteristics
| Wastewater Volumetric Flow | 300 cubic meter per day |
| Average Volumetric Flow Rate | 5.12 cubic meter per hour |
| BOD5 | 250 (mg/lit) |
| COD | 500 |
| Total COD | 130 kg per day |
| w/w Sedimented Solid | 2-3% |
Designed plant by Peyvand Ab Sepahan experts includes several unites which are listed below:
- Racks and Screen
A bucket screener has been designed for this unit.
- Expanded Aeration Tank
- Secondary Sedimentation Tank
- Chlorine injection tank
- sludge Dewatering tank
Wastewater storage tank
